As soon as Ye Yu's words fell, Liu Ziheng suddenly looked up, his eyes filled with shock, doubt, and incomprehension.

"I don't think you know what happened on the night of the accident, because you weren't going to let the 'blood' be exposed so early in your original plan." Ye Yu looked at Liu Ziheng and said slowly.

"You mean to say that he didn't plan what happened that night??" The bald man was puzzled. "Wait, didn't you just say that he was the culprit of this 'bloody haunting'?"

"Hehe, I did say that the 'blood letters' on the wall were arranged by him, but this plan eventually evolved into a 'paranormal event' that even he didn't expect." Ye Yu said to the bald man. "Do you remember why the security guards suddenly came to this lecture hall in the middle of the night to patrol the lecture hall?"

"That'...... That's because there was a false alarm on the smoke alarms here at the time, so our people came to investigate......" The bald man thought for a moment and replied. "Could it be that the 'accident' you are talking about is ......?"

"That's right, it's this sudden 'false alarm'." Ye Yu said.

"That night, some of the smoke alarms in this lecture hall sprinkled themselves without any smoke, revealing the secrets on the wall in advance; But because not all the sprinklers are out of order, some of the text in the corner of the wall is not covered, so I can see it, and the reason why such a false alarm occurs, you should know very well to the section chief, right? “

Ye Yu said and glanced at the bald man beside him intentionally or unintentionally, the latter was stunned, and then suddenly seemed to realize something, and the expression on his face suddenly became a little embarrassed.

"If the 'false alarms' of the previous smoke alarms were only caused by Liu Ziheng's private 'field test', then that means that the original smoke alarms were not broken, so the reason for the 'false alarm' on the night of the incident may be...... Hehe, section chief. Can you explain it yourself? Shinoru looked at the bald man tacitly, obviously having something to say.

"This ...... Forehead...... I ......" The bald man slurred, his expression became more and more hurried, and he didn't dare to look at Xiaolu.

"I'll just get to the point." Ye Yu shook his head, not planning to sell Guan Zi again. "The original alarm was not broken, but because of Liu Ziheng's several tests, the school mistakenly thought that the alarm was broken, so he paid for it to be repaired by the chief of the security section, but he didn't expect him to find an unlicensed private maintenance worker, and the result was ......"

"As a result, the originally good things were repaired." Shinoru gave the answer.

"This ...... Hehe......" The bald man wiped a cold sweat and smiled, not denying it.

"Still. Although his original plan was frailled by this "accident", it also achieved unexpected results. Ye Yu once again cast his gaze on Liu Ziheng and continued.

"Because there are not many nozzles with false alarms, the water vapor on the scene is not sufficient, and it also leads to a delay in the color development of the water-sensing reagent, which is why the security guard did not find any abnormality on the wall when he came to the scene to check, but when he opened the door the next day, he found that the red 'blood letter' appeared on the wall, thus staging this 'secret room supernatural incident'."

"In other words, this 'haunted incident' is, in the final analysis, an 'accident' made up of various coincidences." Shinoru pondered. "Then if it was not Liu Ziheng's intention to plan the secret 'secret room blood characters'. So what is the purpose of his deliberate writing of those things on the wall with water sensing reagents......

"His purpose is probably not to 'hide', but to 'make it public.'" Ye Yu continued. "I remember that the lecture hall was supposed to have an important meeting on the afternoon of the day of the accident. Right? ”

"Ahh Don't...... Could it be said!! He wants to ...... when the leaders of the Education Bureau have a meeting!! The bald man suddenly understood the meaning of Ye Yu's words, and was immediately shocked. If the smoke alarm suddenly sprinkles water during a meeting of the leaders, the words on the wall ......"

"It will be seen by the top management of the Education Bureau on the spot." Ye Yu broke the word. "Complaining to outside leaders about what Lupe did is his ultimate goal."

"It's hard work. ...... just to sue him? Shinoru felt a little unbelievable.

I think he probably felt that ordinary complaints would not be taken seriously at all, and that they might even be drowned in the mailboxes of the leaders of the Education Bureau. That's why I wanted to stage this 'incident' under the noses of the leaders of the Education Bureau. Ye Yu looked at the gloomy boy in the center of the classroom and sighed softly. Although I don't agree with this approach, this extreme approach may be the most effective for desperate and helpless junior high school students. ”

"Too ...... It's amazing! Is that really the case? The bald man obviously didn't come back to his senses a little, and turned to Liu Ziheng in a daze.

Liu Ziheng's expression moved, but he quickly calmed down, only to hear him sneer, and opened his mouth unhurriedly:

"The story you told is very interesting, but the protagonist of the story is looking for the wrong person, I haven't sprayed words on the wall with any water-like material, let alone arranged such a complicated trick, I also said before, I installed a smoke generator just for my prank, you have no direct evidence to prove that the words on the wall are also written by me."

"It seems that you are not dead if you don't reach the Yellow River. Since you want to prove it, then I will reveal it to you one by one. Ye Yu smiled and did not panic.

"First of all, let's analyze the time of the crime. Since the water-sensing material may change due to the moisture in the air, and if a student uses the classroom, there is no chance that the handwriting on the wall will be accidentally exposed, the water-sensing agent should be sprayed on the wall before the start of the leadership meeting and after the classroom is used last. Ye Yu analyzed.

"In addition, I checked the use of the classroom on the day, the meeting of the leaders of the Education Bureau was in the afternoon, and the classroom was idle and locked in the morning, so the only time to have the opportunity to write on the wall in advance was only after the last use of this classroom the day before, until the time before the door was locked, I checked, and found that there were two boys cleaning here during this period, guess who one of them is?"

Ye Yu said as he dragged a surveillance video from his phone to the virtual screen projected earlier.

In the video, two boys walked into the classroom one after the other with cleaning tools, and one of them was Liu Ziheng.

"It was our class's turn to clean the lecture hall that day, and I was on duty that day. You doubt me on this basis? Liu Ziheng said disdainfully. And you've seen the footage, it's clear that there are two people cleaning together, if I'm doing something in the classroom, how can the other person not see it? ”

"He really didn't see it, because he wasn't in the classroom all the time." Ye Yu retorted calmly, operated his mobile phone to fast-forward the video a little, and pressed pause. "You see this paragraph, another boy used to go out of the classroom to clean the utensils, back and forth for about 15 minutes, during that time. There is only you in the classroom - Liu Ziheng! ”

"Fifteen minutes is not too long, but if you write quickly, you can write all over the wall...... No wonder the handwriting on the wall is a bit rushed, and there are words in the corners that have not been written. Shinoru suddenly realized.

"Yes, according to my analysis above, only Liu Ziheng has the time to commit the crime." Ye Yu nodded.

But what about the handwriting on the wall? It is said that the handwriting is very similar to Lin Yutang's ......," Xiaolu questioned again.

Lin Yutang was originally Liu Ziheng's classmate, as the class president. Liu Ziheng had the opportunity to get Lin Yutang's homework book, and it was not difficult to imitate her handwriting. Ye Yu said. I think he originally wanted to put more psychological pressure on Lupe by imitating Lin's handwriting, but it was this that made this 'supernatural event' accident even more treacherous. ”

"Hmph, you doubt me based on that?" Liu Ziheng still doesn't seem to have the intention of surrendering. "Since you're going to accuse me. Then come up with direct evidence of my crime! ”

"Hehe, without solid evidence, I wouldn't have stood here debating with you for so long." Ye Yu smiled and dragged out a web page from his phone again. Displayed in front of Liu Ziheng.

"You...... How could you!! Liu Zi looked at his online shopping list on the virtual screen constantly, and his face turned pale.

"Since you want to buy crime tools from the Internet, you should take into account the situation of being found out." Ye Yu said coldly. "Water sensing reagents, smoke generators on the online shopping list...... Plus your move to sneak into the school in the middle of the night. How do you explain that? ”

Liu Ziheng bit his lip and said nothing, but his body trembled slightly.

"Stop talking? Okay, I'll sort out the causes and consequences of the whole thing for you and restore the whole picture of the whole incident. Ye Yu put away the virtual screen and said in a positive way.

"I think you should have already had the idea of complaining to the leaders of the Education Bureau, but you are worried that you will not be taken seriously, so you plan to plan a 'blood letter incident' in front of the leaders to attract attention. You purchased water reagents and smoke generators online in advance, and sneaked into the classroom several times to conduct on-site tests for debugging, but unexpectedly, because of your tests, the school mistakenly thought that the smoke alarm device in the classroom was malfunctioning, so you asked the head of the security section to repair it. Unexpectedly, the head of the security section found a layman to repair the school because he was greedy for the school's maintenance fee, but the smoke alarm device that was originally intact was repaired instead. Ye Yu paused and continued.

"The day before the incident, you took advantage of the gap in the cleaning of the lecture hall, used a transparent water spray to imitate Lin Yutang's handwriting on the wall to write a complaint, and pre-installed the smoke generator under the desk according to the calculated direction, intending to control the smoke at the leadership meeting the next day and trigger the alarm to sprinkle water, so as to show the accusation against Lu Pei on the wall to the education leaders present on the spot. That night, the damaged smoke alarm device was sprinkled with water in advance, exposing the words you wrote in advance. Since the incident happened in the middle of the night and the classroom was closed, it unexpectedly turned into a 'paranormal event', and you were worried that the unactivated smoke generators under the desk would expose you, so you came to recover it, but we caught it. That's the way it is, is there anything else you would like to add? “

Ye Yu looked at Liu Ziheng quietly, who lowered his head and couldn't say a word.

"You...... Did you really do it!? The bald man who understood what had happened pointed at Liu Ziheng excitedly and reprimanded loudly. Do you know that if you really do this at the leadership meeting, it will cause a lot of people in our security department to lose their jobs! ”

"Hmph, all you want to do is save your job...... But he has long left his responsibilities far away! You're no different from Lupe! ”

Liu Ziheng slowly raised his head and stared at the bald man, and a touch of anger suddenly burst out from his eyes that had been keeping calm.

"It's you...... You were the ones who killed Yutang! (To be continued.) )